CN112763655A - Automatic quality control method, system and device - Google Patents
Automatic quality control method, system and device Download PDFInfo
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- CN112763655A CN112763655A CN202011539240.0A CN202011539240A CN112763655A CN 112763655 A CN112763655 A CN 112763655A CN 202011539240 A CN202011539240 A CN 202011539240A CN 112763655 A CN112763655 A CN 112763655A
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- 238000003908 quality control method Methods 0.000 title claims abstract description 97
- 238000012544 monitoring process Methods 0.000 claims abstract description 70
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 51
- 239000003546 flue gas Substances 0.000 claims abstract description 51
- 239000007789 gas Substances 0.000 claims abstract description 47
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000000738 capillary electrophoresis-mass spectrometry Methods 0.000 claims abstract 8
- 230000007613 environmental effect Effects 0.000 claims description 11
- 239000003344 environmental pollutant Substances 0.000 claims description 6
- 231100000719 pollutant Toxicity 0.000 claims description 6
- 238000013524 data verification Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 4
- 238000007865 diluting Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 4
- 238000013022 venting Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 239000000779 smoke Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 26
- 239000002912 waste gas Substances 0.000 abstract description 13
- 238000010586 diagram Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 6
- 239000012895 dilution Substances 0.000 description 3
- 238000010790 dilution Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000026676 system process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 238000004056 waste incineration Methods 0.000 description 1
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- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0006—Calibrating gas analysers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
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Abstract
The application provides an automatic quality control method, system and device, comprising: when the automatic detection data of the field-end quality control instrument exceeds the standard, the monitoring waiting state is entered, and the operation is not carried out; after the data is recovered to be normal, the on-site end quality control instrument automatically executes the discharge of the standard gas with the limited concentration; comparing and calculating the concentration value of the introduced standard gas with the concentration value measured by a flue gas on-line monitoring system (CEMS) in real time to obtain a deviation value; and uploading the deviation value to a remote end quality control platform. According to the technical scheme, the enterprise can be helped to eliminate the data exceeding and misinformation caused by the system reason of the flue gas online monitoring system (CEMS) in the first time, the enterprise is helped to investigate process leaks, the enterprise waste gas treatment process is optimized, and the waste gas treatment cost is saved.
Description
Technical Field
The application relates to the field of pollution remote supervision, in particular to an automatic quality control method, system and device.
Background
Pollutant emission data of pollution discharge enterprises such as thermal power plants, waste incineration plants and automobile plants exceed the standard, the waste gas treatment process can be timely adjusted after the data detection platform of the environmental protection bureau feeds back, however, the source of the problem that the emission gas exceeds the standard cannot be found at the first time, and the authenticity of the monitoring data of the flue gas online monitoring system (CEMS) is taken as a link of consideration, and often cannot be determined at the first time. When the existing online flue gas monitoring system (CEMS) is used for monitoring and managing field pollution, operation and maintenance personnel only regularly go to the field to maintain the system, and cannot timely and effectively perform troubleshooting in case of sudden short-time standard exceeding events and cannot timely perform digital and information management.
Disclosure of Invention
An automatic and digital automatic quality control device is required to be introduced to carry out technical tracking on the overproof data, and the overproof condition caused by a flue gas online monitoring system (CEMS) is checked at the first time.
The application provides an automatic quality control method, system and device, which can realize that enterprise users can not go out of home, timely records the process from exceeding the standard to recovering to normal, and then reach a quality control flue gas on-line monitoring system (CEMS) system process and a quality control result, objectively and accurately judges the running state of the flue gas on-line monitoring system (CEMS), and provides effective data for enterprises to find problem sources.
The features and advantages of the present solution will become apparent from the following detailed description, or may be learned through practice of the present application.
According to one aspect of the application, an automatic quality control method is provided, which comprises the steps of entering a monitoring waiting state and not acting when a field-end quality control instrument automatically detects that data exceeds a standard; after the data is recovered to be normal, the on-site end quality control instrument automatically executes the discharge of the standard gas with the limited concentration; comparing and calculating the concentration value of the introduced standard gas with the concentration value measured by a flue gas on-line monitoring system (CEMS) in real time to obtain a deviation value; and uploading the deviation value to a remote end quality control platform.
According to some embodiments, the time for starting quality control is the starting time of waiting for the next hour when the data is recovered to normal after the average data in hours exceeds standard.
According to some embodiments, the remote end quality control platform sends an instruction to the field end quality control instrument to perform the data verification of the flue gas online monitoring system CEMS, and the result of the data verification of the flue gas online monitoring system CEMS is fed back to the remote end quality control platform.
According to some embodiments, passing the emission limit concentration standard gas is automatically performed for no less than 10 minutes.
According to another aspect of the present application, an automatic quality control system is provided, including: the flue gas on-line monitoring system CEMS receives flue gas discharged by a factory and outputs a concentration value measured in real time; the data acquisition instrument receives the data of the concentration value measured in real time and sends the data to the environmental protection bureau detection platform; and the field-end quality control instrument is connected to the air inlet of the online flue gas monitoring system through an air channel interface, discharges standard gas with limited concentration to the online flue gas monitoring system, acquires detection data from the data acquisition instrument, and calculates the deviation value between the concentration value of the standard gas and the concentration value measured by the online flue gas monitoring system CEMS in real time.
According to some embodiments, the remote-end quality control platform performs data communication with the field-end quality control instrument to obtain the deviation value of the field-end quality control instrument.
According to some embodiments, data of the data acquisition instrument is accessed into the field-end quality control instrument to keep data synchronization with the environmental protection bureau monitoring platform.
According to some embodiments, a field-end quality control instrument comprises: the gas cylinder comprises standard gas, and the standard gas comprises pollutants detected by a flue gas on-line monitoring system (CEMS); and the gas distribution device is used for dynamically diluting the standard gas.
According to some embodiments, the gas distribution device is a dynamic dilution calibrator.
According to another aspect of the present application, there is provided an automatic quality control apparatus including:
and the automatic detection module is used for entering a monitoring waiting state and not acting when the detection data exceeds the standard. And the automatic venting and discharging limit module is used for automatically executing the standard gas with the venting and discharging limit concentration. And the comparison and calculation module is used for comparing and calculating the concentration value of the standard gas with the concentration value measured by the online flue gas monitoring system in real time to obtain a deviation value. And the remote end quality control platform module is used for acquiring a quality control result of the field end quality control instrument.
According to the embodiment, the automatic quality control method, the automatic quality control system and the automatic quality control device are provided, so that an enterprise can be helped to eliminate data exceeding and false alarm caused by a flue gas online monitoring system (CEMS) system in the first time, the enterprise can be helped to check process leaks, an enterprise waste gas treatment process is optimized, and the waste gas treatment cost is saved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without exceeding the protection scope of the present application.
FIG. 1 shows a flow diagram of an existing on-line flue gas monitoring system (CEMS), according to an example embodiment.
Fig. 2 shows a flow chart of an automatic quality control method according to an exemplary embodiment.
FIG. 3 shows a flow diagram of an automated quality control system according to an example embodiment.
Fig. 4 shows a block diagram of an automatic quality control apparatus according to an exemplary embodiment.
Fig. 5 shows a block diagram of electronics of an automatic quality control apparatus according to an example embodiment.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar parts in the drawings, and thus, a repetitive description thereof will be omitted.
The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the embodiments of the disclosure can be practiced without one or more of the specific details, or with other means, components, materials, devices, etc. In such cases, well-known structures, methods, devices, implementation steps, materials, or operations are not shown or described in detail.
Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
The terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions.
When pollutant emission data of a pollution discharge enterprise exceed the standard, a waste gas treatment process can be adjusted in time, a problem source cannot be found at the first time, or a link with the truth of data monitored by a flue gas on-line monitoring system (CEMS) as a key consideration cannot be determined at the first time. The existing flue gas online monitoring system (CEMS) supervises the field pollution, and operation and maintenance personnel regularly go to the field to maintain the system, so that the emergency short-time standard exceeding event cannot be timely and effectively checked, and the digitization and the information management cannot be timely carried out. Therefore, the automatic quality control method, the automatic quality control system and the automatic quality control device are provided, and help enterprises to eliminate data exceeding and false alarm caused by a flue gas online monitoring system (CEMS) in the first time, help the enterprises to investigate process leaks, optimize the waste gas treatment process of the enterprises and save the waste gas treatment cost.
Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
FIG. 1 shows a flow diagram illustrating an existing on-line flue gas monitoring system (CEMS), according to an example embodiment.
Referring to fig. 1, according to the embodiment, the flue gas on-line monitoring system (CEMS) has the following working states:
at S101, the boiler waste gas and the raw flue gas are subjected to a waste gas treatment process, which generally comprises desulfurization, denitration, dust removal, VOCs removal and other facilities, and the treated flue gas enters a chimney and is discharged to the atmosphere.
In S103, a flue gas on-line monitoring system (CEMS) samples from the opening of the chimney for gas component analysis, and monitoring data meet the emission requirements of environmental protection monitoring, such as SO2Emission limit of 30mg/m3，NOxEmission limit of 50mg/m3。
And S105, uploading the monitoring data to a data monitoring platform of the environmental protection bureau through a data acquisition instrument.
In S107, when the data monitoring platform of the epa monitors that the emission data of the pollutants of the enterprise exceeds the standard, the data monitoring platform notifies the enterprise, so that the enterprise adjusts the waste gas treatment process in time.
However, the existing flue gas on-line monitoring system (CEMS) process cannot find the source of the overproof problem of the exhaust gas at the first time, that is, the authenticity of the monitoring data of the flue gas on-line monitoring system (CEMS)) is a reason of important consideration, and cannot be determined at the first time.
FIG. 2 shows a flow diagram illustrating an automated quality control system according to an example embodiment.
Referring to fig. 2, according to the embodiment, in S201, when the field-side quality controller automatically detects that the data exceeds the standard, the monitoring waiting state is entered, the data does not act, the data source is the data acquisition instrument, and the data access field-side quality controller keeps data synchronization with the monitoring platform of the environmental protection agency.
In step S203, after the data is recovered to normal, that is, the data is lower than the standard data specified by the environmental protection bureau detection platform, the field-end quality control instrument automatically executes the emission of the standard gas with the limit concentration.
In S205, a deviation value is obtained by comparing and calculating the concentration value of the introduced standard gas with the concentration value measured in real time by a flue gas on-line monitoring system (CEMS).
And S207, judging whether the flue gas on-line monitoring system (CEMS) is abnormal or not according to the standard and deviation values, and uploading the detection result of the field end quality control instrument to a remote end quality control platform.
In this embodiment, the concentration of a standard gas, such as SO, is limited2The component is 30mg/m3And (6) outputting the concentration. The time for starting quality control is the time starting point when the average data in hours exceeds the standard and the data is recovered to normal in the next hour after waiting. The time for automatically conducting the emission limit concentration standard gas is not less than 10 minutes.
Meanwhile, when an enterprise finds that the data of the flue gas online monitoring system (CEMS) is suspicious, the remote end quality control platform executes a manual sending instruction to the field end quality control instrument for data verification, and a detection result is fed back to the remote end quality control platform for the enterprise to use. By the automatic quality control method, the quality control function of automatically detecting the standard exceeding is used, the whole process of the field-end quality control instrument is marked, and the quality control result is used for an enterprise to analyze the reason of the standard exceeding of the process.
Fig. 3 shows an apparatus diagram illustrating an automatic quality control system according to an exemplary embodiment.
Referring to fig. 3, according to an embodiment, there is provided an automatic quality control system including: provide flue gas on-line monitoring system (CEMS)301 of sample gas, sample gas uploads to environmental protection office data monitoring platform 305 through data collection appearance 303, still includes: and the field end quality control instrument 307 is connected to the air inlet of the flue gas online monitoring system (CEMS)301 through an air channel interface, and is used for introducing standard gas with emission limit concentration to the flue gas online monitoring system (CEMS) 301. And a remote-end quality control platform 309 which is arranged in the enterprise control room and performs data communication with the field-end quality control instrument 307 to obtain a quality control result of the field-end quality control instrument 307 and remotely control the field-end quality control instrument 307.
According to the embodiment, the data access field-side quality control instrument 307 of the data acquisition instrument 303 is kept in data synchronization with the monitoring platform 309 of the environmental protection agency.
In particular, the fieldThe end quality control instrument 307 includes: the gas cylinder (not shown in fig. 3) marks the contaminants detected by the flue gas on-line monitoring system (CEMS), and the gas cylinder mark gas contains SO, for example2、NOx、O2And the parameters of the related pollutants monitored by the flue gas on-line monitoring system (CEMS) can be adjusted according to the flue gas on-line monitoring system (CEMS).
Further, the field-side quality control instrument 307 further includes: and the gas distribution device (not shown in figure 3) is used for dynamically diluting the gas cylinder. Optionally, the gas distribution device is a dynamic dilution calibrator, and the gas distribution device is used for diluting a standard substance in an existing gas cylinder to a certain concentration by using a proportional dilution principle, is used for checking or calibrating an analyzer, is a metering device, and needs to be calibrated every year to a metering unit and issue a calibration certificate.
The automatic quality control system does not influence the normal operation of a field-end flue gas on-line monitoring system (CEMS), only data is obtained without control, and the real validity of the data is ensured. In addition, the manual on-site execution is carried out, the equipment is upgraded to be unattended, traces are left in the whole process in a digital mode, the workload is reduced, and meanwhile, the accuracy and the timeliness are greatly improved.
Fig. 4 shows a block diagram of an automatic quality control apparatus according to an exemplary embodiment.
Referring to fig. 4, according to another aspect of the present application, there is provided an automatic quality control apparatus 400 including:
and the automatic detection module 401 is used for entering a monitoring waiting state and not acting when the detected data exceeds the standard.
And an automatic emission limit passing module 403 for automatically performing emission of the standard gas at the limit concentration.
And the comparison calculation module 405 is configured to compare the concentration value of the standard gas with a concentration value measured by a flue gas online monitoring system (CEMS) in real time to obtain a deviation value.
The determining module 407 is configured to determine whether an abnormality occurs according to the standard and the deviation value.
And the remote end quality control platform module 409 is used for acquiring a quality control result of the field end quality control instrument.
Fig. 5 shows a block diagram of electronics of an automatic quality control apparatus according to an example embodiment.
As shown in fig. 5, the electronic device 500 is embodied in the form of a general purpose computing device. The components of the electronic device 500 may include, but are not limited to: at least one processing unit 510, at least one memory unit 520, a bus 530 that couples various system components including the memory unit 520 and the processing unit 510, a display unit 540, and the like.
In which the storage unit stores program code that may be executed by the processing unit 510 such that the processing unit 510 performs the methods according to various exemplary embodiments of the present application described herein.
The electronic device 500 may also communicate with one or more external devices 600 (e.g., keyboard, pointing device, bluetooth device, etc.), with one or more devices that enable a user to interact with the electronic device 400, and/or with any devices (e.g., router, modem, etc.) that enable the electronic device 500 to communicate with one or more other computing devices. Such communication may occur via input/output (I/O) interfaces 550. Also, the electronic device 500 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the internet) via the network adapter 560. The network adapter 560 may communicate with other modules of the electronic device 500 via the bus 530. It should be appreciated that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the electronic device 500, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, and data backup storage systems, among others.
The application provides an automatic quality control method, system and device, which can realize that enterprise users can not go out of home, timely record the process from exceeding the standard to recovering to normal, and then reach a quality control flue gas on-line monitoring system (CEMS) system process and a quality control result, objectively and accurately judge the running state of the flue gas on-line monitoring system (CEMS), and provide effective data for enterprises to find problem sources; the method helps enterprises to eliminate the data over-standard and false alarm caused by the system reason of the flue gas on-line monitoring system (CEMS) in the first time, helps the enterprises to investigate process leaks, optimizes the waste gas treatment process of the enterprises and saves the waste gas treatment cost.
The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the description of the embodiments is only intended to facilitate the understanding of the methods and their core concepts of the present application. Meanwhile, a person skilled in the art should, according to the idea of the present application, change or modify the embodiments and applications of the present application based on the scope of the present application. In view of the above, the description should not be taken as limiting the application.
Claims (8)
1. An automatic quality control method, comprising:
when the automatic detection data of the field-end quality control instrument exceeds the standard, the monitoring waiting state is entered, and the operation is not carried out;
after the data is recovered to be normal, the on-site end quality control instrument automatically executes the discharge of the standard gas with the limited concentration;
comparing and calculating the concentration value of the introduced standard gas with the concentration value measured by a flue gas on-line monitoring system (CEMS) in real time to obtain a deviation value;
and uploading the deviation value to a remote end quality control platform.
2. The automatic quality control method according to claim 1, further comprising:
and the remote end quality control platform sends an instruction to the field end quality control instrument to carry out CEMS data verification of the smoke online monitoring system, and the result of the CEMS data verification of the smoke online monitoring system is fed back to the remote end quality control platform.
3. The automatic quality control method according to claim 1, wherein the on-site quality control instrument automatically executes passage of the emission-limit concentration standard gas for not less than 10 minutes.
4. An automatic quality control system, comprising:
the flue gas on-line monitoring system CEMS receives flue gas discharged by a factory and outputs a concentration value measured in real time;
the data acquisition instrument receives the data of the concentration value measured in real time and sends the data to the environmental protection bureau detection platform;
and the field-end quality control instrument is connected to the air inlet of the online flue gas monitoring system through an air channel interface, discharges standard gas with limited concentration to the online flue gas monitoring system, acquires detection data from the data acquisition instrument, and calculates the deviation value between the concentration value of the standard gas and the concentration value measured by the online flue gas monitoring system CEMS in real time.
5. The automatic quality control system according to claim 4, further comprising:
and the remote end quality control platform is in data communication with the field end quality control instrument to acquire the deviation value of the field end quality control instrument.
6. The automatic quality control system of claim 4, wherein data access of a data acquisition instrument to the field-side quality control instrument is maintained in synchronization with data of an environmental protection agency monitoring platform.
7. The automated quality control system of claim 4, wherein the field-side quality control instrument comprises:
the gas cylinder comprises standard gas, and the standard gas comprises pollutants detected by a flue gas on-line monitoring system (CEMS);
and the gas distribution device is used for dynamically diluting the standard gas.
8. An automatic quality control device comprising:
and the automatic detection module is used for entering a monitoring waiting state and not acting when the detection data exceeds the standard.
And the automatic venting and discharging limit module is used for automatically executing the standard gas with the venting and discharging limit concentration.
And the comparison and calculation module is used for comparing and calculating the concentration value of the standard gas with the concentration value measured by the online flue gas monitoring system in real time to obtain a deviation value.
And the remote end quality control platform module is used for acquiring a quality control result of the field end quality control instrument.
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| CN116165352A (en) * | 2023-04-23 | 2023-05-26 | 河北华清环境科技集团股份有限公司 | Quality control system of flue gas on-line monitor |
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| CN111896683A (en) * | 2020-07-16 | 2020-11-06 | 江苏云聚汇科技有限公司 | Cloud service-based smoke online detection system |
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| CN113702601A (en) * | 2021-10-28 | 2021-11-26 | 北京万维盈创科技发展有限公司 | Method and device for identifying falsification of exhaust gas monitoring data |
| CN116165352A (en) * | 2023-04-23 | 2023-05-26 | 河北华清环境科技集团股份有限公司 | Quality control system of flue gas on-line monitor |
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